#include <bits/stdc++.h>
#define pb push_back
#define m_p make_pair
#define fi first
#define se second
#define lowbit(i) i&(-i)
#define siz(s) (int)s.size()
#define pair<int,int> pi
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
const int Maxn=2e5+10;
int r[Maxn],rec[Maxn];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++) scanf("%d",&r[i]),rec[r[i]]++;
    int ans=-1;
    for(int i=0;i<Maxn;i++) ans=max(ans,rec[i]);
    printf("%d",ans);
    return 0;
}